Mathern House is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 19 August 1955. House.
Mathern House
- WRENN ID
- third-mantel-bramble
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 19 August 1955
- Type
- House
- Address
- Mathern House, Chepstow
- OS grid reference
- ST 523 910
- Coordinates
- 51.61621, -2.68929
- Source
- Cadw listing
Description
Mathern House is a two-storey double depth house built from coursed yellow local stone rubble, with rendered rear and gable walls, and a Welsh slate roof. The building features two parallel ranges and has a balanced front with a central entrance flanked by two windows. The three central bays have a light iron balcony supported by columns. All windows are 6 over 6 pane sashes. The first floor has five additional 6 over 6 pane sashes, while the attic features gabled dormers with 3 over 3 pane sashes on either side of a bargeboarded gable that covers the central three bays. The gable includes a 6-pane window with an ogee head. The roof has end gable stacks, and the gable end reveals the two ranges, with the rear gable also having a chimney. The rear elevation appears to date from the early 19th century, although some alterations have been made, including quoins at the right-hand corner. The ground floor has two 6 over 6 pane sashes to the left of an arched stair window, which features a large 8 over 8 pane sash with an interlace head. To the right of this window is a small modern window that was once a door, followed by a tripartite 6 over 6 pane sash with narrow mullions and a small casement to the right. The first floor has four more 6 over 6 pane sashes, and the roof includes two gabled dormers, each with a 2-light casement and end ridge stacks. The east wing adjoins to the left. The interior was not inspected during the survey.
Local climate
Mathern House receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.
It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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